Collocations for warrior - noun

fearless, fierce, formidable, great, mighty, noble, powerful
brave, valiant
famous, legendary, renowned
holy
He views himself as a holy warrior.

fellow
He saved his fellow warrior.

fallen
the graves of the fallen warriors

seasoned, skilled, trained
armchair (AmE)
the armchair warriors at the Department of Defense

reluctant
ancient
the last of the ancient warriors

weekend (= person who exercises only at the weekend)
Paul was a weekend warrior in the first part of his career.

road (= person who spends a lot of time driving)

band

fight