Please I want to know how can I cancel my visa 18 one year?

I came Kuwait 2017  November 29 my civil I'd cancel 2018 December 27. I talk with my manager and he said I can cancel visa one year and you can take your ticket so I take my ticket already coming December 4. But now my sponsor not accepting. He is said my ccontract two years so I want to work again one year. Now I finish 10 months. I can go December ? If I talk with my sponsor again he is give cancel or not? Visa 18 oneyear ccancel option available? Please help me anyone
Thanks

I recommend you to go to the Ministry of Social Affairs and Labour office and ask them., they will give the right answer.

Hello moo..where is the location of cancellation visa 18?