ترجمة - برتغالية برازيلية-انجليزي - Se eu avançar siga-me, se eu recuar mate-le e se...

Yes, I think it's misspelled "mate-me", as I've asked the requester under the original text.
Anyway, if it was "kill him", should read "mate-o" as well.
I think you can edit to your 1st person "guess", Lein.