A 'busybody' meddles in other people's affairs and may try to persuade them to do something they feel will be for the the other person's own good.
Gay
A hacker tries to access a computer illegally.
There are many words applicable to this person--a pioneer, an advocate, or a Samaritan.
If someone tries to make you feel jealous.You must call that person a despo or a looser and a jerky person.
An environmentalist is a person who tries to preserve nature and control pollution. They advocate for policies and practices that protect the environment and work towards sustainable solutions to environmental issues.
A person is a Buddhist if he says he is a Buddhist. Someone who tries to follow the teachings of the Buddha is the kind of person who would call himself a Buddhist.
a person who studies people but not an psychologist
Persuade Inform Entertain
You don't... Get your nan to get it... :)
attendant.
a hypnotist
comparative person