fidèle

/fi.dɛl/
1.
adjective

faithful

loyal

steadfast; consistently supportive or reliable

Il est fidèle en amitié : on peut toujours compter sur lui.

He is faithful in friendship: you can always count on him.

Synonyms:loyal, dévoué, constant, fiable
2.
nounmasculine

a regular (customer)

a faithful follower or worshipper; a devotee

C'est un fidèle de la salle de sport, il vient tous les matins.

He's a regular at the gym; he comes every morning.

Synonyms:habitué, adepte, croyant