common methods of manipulation

guilt trips

making a person feel guilty to get desired results

mocking or teasing

making fun of another person in mean or hurtful ways

bargaining

offering to make a deal to get what one wants

bribing

promising money or favors if the person does what is asked

making threats

promising violence or some other negative consequence if the person does not do what is asked

blackmail

threatening to reveal some embarrassing or damaging information if the person does not do what is asked

flattery

using excessive praises to influence another person