Adults, when they have a disagreement, present a logical argument backed up by evidence to support their position. Children in the same situation rant and rave and call people names.
Spamming his trust page and multiple threads he started with off-topic nonsense and calling him a "fagot" will not help your case.
Once your loan is repaid, open a new thread in reputation with links to the relevant posts and transaction IDs.
Why should i prove you anything? I repeat.
Of what arguments was his feedback based?
Stop being "friendly" with higher rank members. Doesnt it look funny?
Same situation would be to compare: i called him fagot, and now he need to prove that he is not. Getting medical statements or something. Than he can post pictures here and i will stop calling him so. My friends could back me up if needed.