When you say the first sensible reply, do you mean the first one you have some element of agreement with, the first that hasnt offended you or the first that hasnt implied youre going about this all wrong?
You see, as I see it, youve said in reply to my response that I havent asked how much you pay him whilst working on job, well, you cant justify one wrong with a right. Its wrong to not pay him for a portion of the day even if he isnt actually being productive. You want his time, you have to pay for it; regardless.
If you wont listen here I suggest you ask someone whos qualified to answer you, may I suggest the CAB?
Im sure their response will be sensible AND will dispute your opinion.