de·ceit·ful/diˈsētfəl/Adjective1. (of a person) Deceiving or misleading others, typically on a habitual basis.2. Intended to deceive or mislead
imposter.
A person who is suspicious of the motives of others can be called paranoid or mistrustful.
a homosexual
a snitch
You call the person a bully, jerk, meanie,etc
A person who does things for others may be an assistant or a helper.
A person who sacrifices themselves for others is often referred to as selfless or altruistic.
Insensitive.
Troublemakers
demophobic,androphobic
My kids call me "Dad".