example sentence:
use kare 👨‍💼彼は私の同僚です : kare wa watashi no douryou desu.
He is my colleague.

use kanojo 👩‍💼彼女は私の同僚です : kanojo wa watashi no douryou desu.
She is my colleague.

use karera 👨‍💼👨‍💼👨‍💼彼らは私の同僚です (males) : karera wa
watashi no douryou desu.
They are my colleagues.

or

use karera 👨‍💼👩‍💼👨‍💼👩‍💼彼らは私の同僚です (mix gender) : karera wa
watashi no douryou desu.
They are my colleagues.

use kanojora 👩‍💼👩‍💼👩‍💼彼女らは私の同僚です(females) : kanojora wa watashi no douryou desu.
They are my colleagues.
#subject