cast, caste

Cast or cast means to make an impression using a mold or form--
We could make a plaster cast and use that to mold a replica.
This statue was cast in a clay mold.
Cast also means the plaster or plastic brace put on a broken bone--
He has a cast on his leg, and won't be able to get around much.
The cast will stay on her arm for six weeks.
Cast also means the actors in a show or movie--
Will you be going to the cast party after the show?
Every member of the cast has to be here for the dress rehearsal.
Cast also means to throw or let fly, literally or figuratively--
He cast his rod like an experienced fisherman.
She cast an angry look in his direction, but no one else noticed it.

Caste or caste ( rhymes with cast ) means a level of social or professional standing, as practiced in India and elsewhere--
Many Hindus are taught that each person is born a member of a particular caste, which doesn't change.
Many modern Hindus would like to see the caste system abolished.

Now that you know that, you can say--
"Some of the members of the cast refuse to go to a party with people of a lower caste."

Note--"castoff" ( one word ) means something someone has discarded or thrown away--
She resented having only her sister's castoff to wear to the dance.
Not to be confused with "cast off" ( two words ), meaning to throw off, particularly the lines holding a ship or boat--
We will cast off at dawn, to get to our fishing spot early.
"Cast off" might also be part of a sentence using "cast"--
When do you get the cast off your leg?
Note # 2--"Castaway" means someone who has been shipwrecked on a desert island, like Gilligan or Robinson Crusoe--
He was a castaway for two years before a ship rescued him.
Not to be confused with "cast away" ( two words ), meaning to throw away--
His hopes and dreams were cast away in the storm.
"Cast away" might also be part of a sentence using "cast"--
Is the rest of the cast away?
Did the doctor throw your cast away after he took it off?  I kept mine.