Man Friday was the companion of which shipwrecked Daniel Defoe character?

I've not heard of Robinson Crusoe

Reckitt, So did I when I was 10ish, but then I realized as an adult that it was a children’s version. The real book is a tough read.

I Read Book When I was About 10 ish.

Arohanui, Many of those who learn the other person's language are "missionaries"

Arohanui, It should work best for each to teach the other.

Arohanui, because English language is easy to learn