Modifier + 同伴
The noun 同伴 (tóngbàn) means "companion" or "partner" and refers to someone who accompanies another person. It is used to describe people who are together in a shared activity or journey, as in 女性同伴 (female companion).
他和他的同伴一起完成了这次登山。
Tā hé tā de tóngbàn yīqǐ wánchéng le zhè cì dēngshān.
He and his companion completed this mountain climb together.
旅途中认识的同伴后来成了好朋友。
Lǚtú zhōng rènshi de tóngbàn hòulái chéng le hǎo péngyou.
The companions I met during the trip later became good friends.
她跟女性同伴走进了咖啡店。
Tā gēn nǚxìng tóngbàn zǒu jìn le kāfēi diàn.
She walked into the coffee shop with her female companion.