Select the most appropriate meaning of the given word/phrase - Bon voyage 

Happy journey

The correct answer is Option (4) - Happy journey

The most appropriate meaning of the given word/phrase "Bon voyage" is:  Happy journey

The other options are incorrect:

 In good faith - This refers to honesty and sincerity, not travel.
A good citizen - This describes someone who fulfills their civic duties.
 A prisoner - This refers to someone who is incarcerated.

"Bon voyage" literally translates to "good journey" in French and is used to express good wishes to someone who is traveling.