What is the meaning of Understudy in gujrati?

Meaning(s):

1. an actor able to replace a regular performer when required
2. be an understudy or alternate for a role
3. स्थानापन्न अभिनेत् = actress (fig.)The Vice-President often acts as understudy to the President.(a person who learns the part of another actor in a play, etc in order to be able to take her or his place if necessary)
4. स्थानापन्न व्यक्ति = person (fig.)The Vice-President often acts as understudy to the President.(a person who learns the part of another actor in a play, etc in order to be able to take her or his place if necessary)
5. के स्थान पर काम करना = act She once understudied Marilyn Monroe.
6. भूमिका का अभ्यास करना = learn part understudy Ophelia