also: きゃくまえ
noun
in front of a customer; before a guest
Used when an action takes place in the presence of a customer, guest, or visitor, often in service or performance contexts.
料理人が客前で寿司を握る。
The chef makes sushi in front of the customers.
客前でのスピーチは緊張する。
Giving a speech in front of guests makes me nervous.
Compound of 客 (guest, customer) and 前 (front, before). The reading きゃくぜん uses the on'yomi of both characters, while きゃくまえ mixes on'yomi and kun'yomi.