To move to a new location to begin a job or appointment (e.g., being assigned to a new office).
来月、彼は海外の支社へ赴任することになった。
Next month he will be assigned to an overseas branch.
赴任先で早く仕事に慣れたい。
I want to get used to the job quickly at my new post.
赴任の辞令を受けて、引っ越しの準備を始めた。
Having received the appointment notice, I began preparing to move.