Formal:
* N'ayez crainte: This is the most literal translation and is very formal. It means "have no fear" in a polite and respectful way.
* Ne craignez rien: This is another formal option, meaning "fear nothing."
Informal:
* Aie pas peur: This is a more informal and casual way to say "don't be afraid."
* T'inquiète pas: This is very informal and means "don't worry."
Figurative:
* Le courage vous accompagnera: This translates to "courage will be with you" and is a more poetic way to say "have no fear."
Here are some examples:
* "N'ayez crainte, je suis là pour vous aider." (Don't worry, I'm here to help you.)
* "Ne craignez rien, tout va bien se passer." (Fear nothing, everything will be alright.)
* "Aie pas peur, je suis avec toi." (Don't be afraid, I'm with you.)
* "T'inquiète pas, ça va aller." (Don't worry, it'll be okay.)
* "Le courage vous accompagnera dans cette épreuve." (Courage will be with you in this trial.)
The best option will depend on the specific context and the relationship between the speaker and the listener.