playfellow

I was his foster-brother and playfellow, unequal as was our rank.

Phineas, who had been His earliest friend and playfellow, would he not be lifted to the right hand of power?

With a quick word to his playfellow, he dodged behind the chimney and began to climb the looped rope.

Just as they were about to start, their playfellow Theseus came running to join them.