cha·me·leon 
/kəˈmi:ljən/ noun
plural cha·me·leons /kəˈmi:ljən/ noun [count] 1 : a type of lizard that can change the color of its skin to look like the colors that are around it 2 usually disapproving : a person who often changes his or her beliefs or behavior in order to please others or to succeed
▪ She's a political chameleon. [=she often changes her political beliefs]
▪ She's a political chameleon. [=she often changes her political beliefs]
