demophobic,androphobic
Lintophobic.
Trypanophobics.
Acrophobic
A person that is afraid of the dark has a nyctophobia
Sensible or a pyrophobic.
A person who is suspicious of the motives of others can be called paranoid or mistrustful.
Depending on degree: either bully or sadist. Either is not someone you want to be around.
I'm afraid not Nope new person :(
a snitch
a homosexual
You call the person a bully, jerk, meanie,etc
A person who does things for others may be an assistant or a helper.