senior
In French, the word 'senior' is often used in the same way as in English to refer to an older or more experienced person, especially in a professional context. However, it is not a direct translation of the English word 'senior'. The French equivalent would be 'aîné' or 'plus âgé'. But in the context of a professional hierarchy, 'senior' can be translated as 'supérieur' or 'cadre supérieur'.
The senior in my family is my grandfather.
In this sentence, 'senior' is used to denote the eldest member of the family, which is the grandfather in this context.
This senior cannot carry heavy packages.
In this context, 'senior' is referring to an older person who might not be able to carry heavy packages due to their age or physical condition.
He got a senior card for public transportation.
Here, 'senior' describes a type of discount card available for older people. It implies that the person is of a certain age where they can avail discounts for public transportation.