English version

a fully paid-up member of something

From Longman Dictionary of Contemporary Englisha fully paid-up member of somethinga fully paid-up member of something informalCERTAINLY/DEFINITELYif someone is a fully paid-up member of a particular group, they strongly support what that group likes or believes in a fully paid-up member of the celebrity circuit paid-up
Examples from the Corpus
a fully paid-up member of somethingThus, Milwaukee-based guitarist Daryl Stuermer became a fully paid-up member of the Genesis live auxiliaries.Are you now a fully paid-up member of the new economy?At the moment I would describe him as a fully paid-up member of the politically embarrassed tendency.Listen to that big-mouthed gilgul, acting like she's a fully paid-up member of the team.
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