How should the word assignee be translated? Bonus points for correct answers!

assignee [,?si'ni:; ?,sai'ni:] n.

The expressions "assignee, trustee, agent" are not clear enough and can be changed Translated as "task bearer" or "task acceptor"

assignee [,?si'ni:, ?,sai'ni:] n.

(law) the party to whom something is assigned (e.g., someone to whom a right or property is legally transferred)