if i get to member or full member the red shown under my name will be removed or not? please clear this?

No.
To get rid of the negative trust, you need to ask the person giving you the feedback (Vod in your case) to remove it.

This or receiving positive feedback from someone from the trust list(not wasy though)

No, moderators will not remove trust ratings except in extremely rare circumstances. I'm not sure if it has even been done before.

Happened at least once, when someone make bots that neg-repped everyone, so bots got banned and bad reputation removed