I need help with scripting and teleporting, can you help? [closed]

I have been making this game and and It has levels and what I need is:

when the round is over, I need it to show who has the most score and who has won the round

I also need when the round is over for it to teleport you back to the lobby (I also need it to teleport you to the map at the start of the round)

and the last part is, I need to have the players character to change into a ninja without a morph were you have to walk onto the circle to morph into it

I just want it to automatically make the person into a ninja when you get in the game.

hopefully you can help.