In terms of social division, Gatsby and Wilson are from the same class, the working-class. However, if it is on the terms of personality and identity, Gatsby can be considered to be more in the same class as Tom. Gatsby and Tom are men who are driven and would do anything to get what they want. Meyer Wolfsheim's was a character in the novel whose sole purpose was to shed light on Gatsby's dubious past and Nick's biased nature.
Answer: just be yourself and be nice you can make jokes and make sure you CAN take a joke. Don’t change your style and yeah. If you want a friend or BFF just talk to them get to know them.