If you cannot have an honest discussion with them then you should be looking elsewhere for instruction. If you have a problem with a certain part of the curriculum and you should be looking elsewhere for instruction, possibly In a different style. Asking Your instructor to change the curriculum just for you or to allow you to Omit certain part of training will change your overall EXPERIENCE. It can and will also lead to others doing the same. I've had many students tell me they do not wish to spar in my TKD program. The rules say that they have to spar at exams after green belt so they can get the green but that's it. If the student only wants to fight and not do forms or SD then they will not advance, ever.In your opinion, does the Master / Student relationship preclude honest discussions? For instance, if you were thinking that a certain aspect of the curriculum wasn't your cup of tea, would you feel able to discuss it with the Master, or would you look elsewhere without discussing it?
In BJJ that would be like asking to not spar. Lol. Rotflol! You would be welcome to attend but a white belt you will be forever.