Rogelio doesn't know how to sign out of YouTube

I let Rogelio borrow my laptop to get on TH-cam, and even though I tell him 10 times to sign out when he was done, he didn't listen to me

[@mrbogiegrind123]

I cant sign out of youtube on my tablet HELP PLZ

[@mrbogiegrind123]

Hi

[@mrbogiegrind123]

Can some1 help me sign out of youtube on my tablet