Herkes kendi sözünün sahibidir ister **** ister **** this sentence is OK but you need to find the correct words for the blanks

I understood what you meant ''Herkes kendi sözünün sahibidir, ister tutar ister tutmaz''. this is the true one, sözünü tutmak means keep one's promise.

'Herkes kendi sözünün sahibidir' is corrent but whole sentence that you wrote does not mean anything particular.what do you want to say exactly?

I understood what you meant ''Herkes kendi sözünün sahibidir, ister tutar ister tutmaz''. this is the true one, sözünü tutmak means keep one's promise.