Language/Lingala/Vocabulary/Using-‘moko’-and-‘liboso’

The word "moko" meaning "number one" is special in that it is also used to convey the idea of self.

When used with a personal pronoun: Mpo na ngai moko

This means for myself (literally: for me self). This works with any and all personal pronouns:

ngai moko	myself
biso moko	ourself
ye moko	himself/herself
bango moko	themself
yo moko	yourself (singular)
bino moko	yourselves (plural)
yango moko	itself or themselves (inanimate)

Source : https://lingala.uk/2020/03/03/using-moko-and-liboso/