Literal translation
to play the little hook, the helper
Meaning
to play the role of apprentice or helper
Explanation
Gafètou is a diminutive built on the same root as gafet, the hook, and as gafeto, a word that means both the seagull and the bailiff's assistant who helps with minor tasks; faire lou gafètou thus means playing the little helper, the one who assists without the boss's responsibility or skill. The expression is said of someone who accepts a supporting role, carrying tools or lending a modest hand, without claiming to direct or to know how to do the main job: the traditional examples show a person refusing the role of boss on a job site, or offering to help with wallpapering while admitting they know nothing about it. The diminutive suffix reinforces the idea of a subordinate and slightly self-deprecating position. The register is familiar, often used by the speaker about themselves to downplay their contribution with a touch of amused humility. The image of the hook, a tool that grips and holds without shaping, fits well with the nuance of modest assistance the word carries.