Follower (noun)

1. A person who follows a particular religion, leader, or practice.
2. A person who imitates or copies someone else's ideas or style.
3. A person who comes after another in a sequence.

Origin:

Middle english: from old english folgere, from folgian "to follow".

Examples:

1. She was one of the leader's most devoted followers.
2. He became a follower of the Buddha's teachings.
3. She was a strict follower of the rules.
4. He was a great follower of fashion.
5. She was the first follower of the new trend.