In Arabic ajr al-wakeel/ ajr al-wakil (أجر الوكيل). In wakalah/ wakala (agency), and its forms, it is the total amount of compensation an agent (wakeel) receives (or will receive, being a receivable) from the principal (muwakkel) against its efforts and management skills in investing the funds dedicated for the purpose.

Ajr al-wakeel consists of the fixed fee (ujrah thabitah) and/ or variable remuneration (ujrah mutaghayyrah).