People will trust you if you do free things for them. You could skill, quest, make money for them, help them transfer items, and stuff like that. basically anything that people normally do for money, you can do for free. People look at that as a good thing because it's pretty much helping other people without anything in return. IF you get vouches from them, try to get them to say what you did and how much wealth they risked by letting you on their account. all these things look good to people when they are looking for a mm.