A person who is suspicious of the motives of others can be called paranoid or mistrustful.
A person who sacrifices themselves for others is often referred to as selfless or altruistic.
A person who only sees the negative in others may be called critical, judgmental, or pessimistic.
A person who laughs at others is typically referred to as a bully or a mocker. Their behavior can be hurtful and can negatively impact the well-being of those they are mocking.
That person could be described as manipulative or deceitful. They may engage in passive-aggressive behavior to provoke or upset others.
You could call this person a "selfish immortal."
Politician is a Person who works for the welfare of the People and its land. He is a selfless Person having no Selfish motives. He is a Gem of a Person, a Leader who leads by example.
a snitch
a homosexual
A person who sacrifices themselves for others is often referred to as selfless or altruistic.
You call the person a bully, jerk, meanie,etc
A person who does things for others may be an assistant or a helper.
This becomes very suspicious and brings suspicion to the mind of a person. This can be very harming at times. Because suspicion is the biggest threat to a man.
Insensitive.
My kids call me "Dad".
demophobic,androphobic
Troublemakers
A person who only sees the negative in others may be called critical, judgmental, or pessimistic.