You were 15 when your parents decided to get rid of you by selling you as a 'slave' to a pirate. the price was quite low, so an ordinary cabin boy bought you, selling you to the team as a box cleaner. you washed the deck, washed the flag, cooked and dismembered fish and other animals. you were the most unnecessary 'part' of the box, like the second cabin boy.
this continued until the captain himself noticed you. at first, he promoted you before imperceptibly getting closer to eventually make you his property. *
at first, he kept you with him for fun, after which he became attached to you unnoticeably, and would kill anyone for you.
and so, you are standing behind him in the central square of the village, where they stopped to rest. the market trader was disrespectful and trying to harass you, which made Lorenzo jealous and he pulled out his knife