'to close the gap'? What the hell? No. You don't 'close the gap' and that isn't what I'm suggesting. He'd destroy us in hand-to-hand, despite our not-insignificant talent at it. We can use I.T. to keep the range open and maneuver to spots where we can strike him, using a hit-and-move strategy.
I'm sure he does. So what?
He's probably never fought someone faster than him (which teleportation will make us, effectively) - he's literally the strongest and fastest that anyone but his father (or ours) can be. We can present him with a situation he hasn't prepared against, which will go a decent way towards evening the odds.
He's used to fighting angry, yes. He's probably NOT used to fighting enraged. There's a difference. Besides, he'll expect that we won't be able to put up much of a fight against him, which means he's likely to try to toy with us at the start. Essentially, the fight will have some tactical similarity to Goku vs. Cell - Goku HAD the strength to destroy Cell easily, but he showboated and let himself get worn down, until he was no longer able to beat Cell. He'd been intending for Gohan to step in, but his arrogance and the way he allowed the slower, weaker, less skilled opponent to try to outlast him ended up getting him (and King Kai, and Gregory, etc) killed.
I'm not saying we will effortlessly beat him. What I am saying is that we can use our superior mobility, our superior ki manipulation techniques, and (hopefully) our ability to manipulate him into an enraged, less thoughtful state to even the odds.
You, on the other hand, are espousing the opinion that there's no chance for a lower-powered person to defeat a higher-powered one. If that were true, every fight would end with the two opponents comparing power levels, and the weaker one walking/running away immediately.
Okay, I don't
usually like to step in on player debates, but this is something Kakara knows IC, so I figure I should mention it.
Instant Transmission
is exactly what it says, yes. So Kakara does in fact have an unmatchable straightline speed advantage over Jaffur -- the biggest possible advantage, in fact. Nonetheless, that does not constitute an
immediate advantage. She still needs to focus on the ki she's using as a guide and her destination -- both of which constitute fairly complex bits of mental math even if she's refined them to the point where she can do it in a second.
Meanwhile, she and Jaffur are fighting in a space a few miles wide at most. Goku could traverse Namek, a planet specifically noted as being much larger than Earth, in seconds at 3 million -- a quarter of Kakara's current strength, and a
fifth of Jaffur's. Either one of you can be from one end of this space to the next in fractions of a second you need special equipment to measure.
So, while Kakara can at her current facility keep ahead of Jaffur for an infinite amount of time with Instant Transmission, he can move so fast that from your perspective and on this scale he's basically using Instant Transmission as well, so you won't have any time for anything but. Remember that when Goku first demonstrated Instant Transmission, Vegeta first scorned it as, "Just super speed" -- past a certain point, people move so quickly that the subjective difference is nonexistent. And Jaffur, being a quarter again of your max power above you, is beyond that point by quite some distance.
Plus, if he got annoyed with your tactic, Jaffur is perfectly capable of just flooding the Hall with an energy blast, making it so you have
nowhere to run.
I've been trying to make clear that Kakara realizes that the gap between the two of you isn't just decisive -- it's overwhelming. At Jaffur's full power, there's very little you can do to stand up to him. It's
possible, but highly unlikely.
This, of course, presumes that you give him the Senzu -- and convince him of it into the bargain. If you just ki-heal him, you're not good enough to get him to full power, and if you don't heal him at all he'd be a pushover. But at full power, the gap is too wide.
There are some things you can get out of that matchup, mind. The zenkai, while not strictly the most efficient ever, would most certainly get you within striking distance of Jaffur. Given his creepy fixation on the issue, it might ease tensions between the two of you. And it would
certainly get him hungry for a rematch once you were healed up, at which point it would be a far more even fight.
In short, your vote is certainly viable and I'm not discrediting it, but at your current power level and with your current abilities you stand very little chance of winning that match outright, even if losing offers its own unique and potent benefits.