Question

Can you check these sentences, pelase?
He was a normal child till the age of 18.
He managed to take one of the cannnibals' captives prisoner (better: to capture ?)
He decided to go to sea, to make his fortune at sea, to set out on a sea journey???

Answer 1

1. OK

2. He managed to capture one of the cannibals' captives.

3. (all variations are fine)