The word "fighter" is correct and usable in written English.
You can use it to refer to someone engaging in a fight or battle, for example: "My brother is an experienced fighter and is training to become a professional boxer."
Salman stands to be succeeded in turn by Prince Muqrin, 69, the deputy crown prince, an RAF-trained fighter pilot and former intelligence chief whose prospects are often questioned because he was born to a Yemeni rather than a Saudi mother of "approved" tribal lineage.
"If it's for me I will start cleansing Baghdad from today," added another fighter.
Turkey, meanwhile, has sent more fighter jets to reinforce an air base in the south-east of the country.
From the opening bell, the 31-year-old Quillin looked like a fighter desperate to make a statement.
A leading Labour donor who is expected to bankroll the "Brexit" side described Hoey, the MP for Vauxhall, as a "tough fighter" who would appeal across the political spectrum.
There's a legitimate fighter nipping at his heels.
Russia's defence ministry has previously suggested MH17 may have been shot down by a Ukrainian fighter jet, and state television gave prominent airtime to people who claimed to have seen a second plane in the sky.
We know she's a passionate fighter, but she showed the rest of the UK that she can go head to head with the big dogs.
"Debaltseve is no longer ours," said a fighter named Ilya, who said he had just come from there.
Though greater arms sales are on the agenda for Thursday's talks, even this traditional method of mollifying Gulf allies of the US may be reaching its limits, particularly since Washington is unwilling to provide the latest generation of fighter jets, which are reserved for Israel.
Cameron will meet the Sultan of Oman to discuss trade and regional foreign policy challenges – including Iran, Egypt and Yemen – and then the two men will view Typhoon fighter jets at the country's Seeb airport.
