Q: .

The mothers of Arthur and Celeste have come to the town to fetch *them* . They are very happy to have them back, but they scold them just the same because they ran away. them .

Do "them" and "Arthur and Celeste" mean the same thing?
A: yes
Q: .

I saw Jim yelling at some guy in a military uniform with a huge red beard. I don't know why *he* was, but he looked very unhappy.

Do "he" and "Jim" mean the same thing?
A: yes
Q: .

Mark was close to Mr. Singer 's heels. He heard him calling for the captain , promising him, in the jargon everyone talked that night, that not one thing should be damaged on the ship except only the ammunition, but the captain and all *his* crew had best stay in the cabin until the work was over.

Do "his" and "the captain" mean the same thing?
A:
yes