QUES:
Who is they in the following sentence?

The Disney characters at Disney World entertain the audience because they are there to keep people happy.

ANS:
The Disney characters

QUES:
Who is they in the following sentence?

The police arrested suspected members of Anonymous because they are accused of hacking company data.

ANS:
Anonymous

QUES:
Who is him in the following sentence?

Jacob misled Amen so David helped him.

ANS:
Amen