Noun
private secretary
彼は社長の鞄持ちだ。He is the boss's private secretary. flunky; someone who is always following around someone of high rank
Derogatory
someone who carries a bag for someone; luggage carrier; carrying a bag
Also written カバン持ち【カバンもち】、鞄持ち【かばんもち】、鞄持【かばんもち】