Question

1. the suffix -ist often means... a place for something the opposite of something a person who practices, believes in, or is skilled at something the act of doing something

Explanation:

The suffix -ist commonly refers to a person who practices, believes in, or is skilled at something, such as a scientist (one skilled in science), a pianist (one skilled at playing the piano).

Answer:

A person who practices, believes in, or is skilled at something