This is the 3788th most frequent French word.
t
In French, "t" is a letter of the alphabet or a liaison form used for euphony in questions like "a-t-il."
The 't'' here is a pronoun that acts as a contraction in reflexive verb 's'appeler' to link to the subject in informally addressing someone.
Comment t'appelles-tu ?
What is your name?
In this sentence, 't'' acts as the direct object that represents 'you' in a benefactory action.
Il t'offre un cadeau.
He is giving you a gift.
Here, 't'' is a contracted form of 'tu' used colloquially in relation to the subject performing the action.