The rights of the inquisited
You might wonder, what rights did they have? They didn't have many. They were beaten to death till the confessed, but ended up being killed, either way. They didn't have a right to say anything except confess and plead for them to stop beating them. All in all, they didn't have a right to do or say anything to help them not to be inquisited.
The rights of the inquisiters
Well now you might think well the inquisitors had all the rights that the inquisited did not have. Which basically is everything. They got to do anything they wanted to do. if they wanted to hang the person , they could. But of course they had to authorize it first. But basically they had more right than the inquisited.