When speaking or writing we use he/she (or they), his/her (or their) to refer to both sexes.
salesman + saleswoman = salesperson
chairman + chairwoman = chairperson
businessman + businesswoman = businessperson
barman + barmaid = bartender
air steward + air stewardess = flight attendant
actor + actress = actor
waiter + waitress = waiter
landlord + landlady = house owner
cameraman= camera operator
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