Re: Is it proper?
There are alot of thngs that can be going on here. If there is another dojo nearby, you have the option to leave. Beginers are often frustrated so as long as their is no foul play, give it some time.
This is why I like to be a part of a oraganization. There are constant improvements on how to do a technique and this is why mandatory seminars are excellent, which is like continuing education.
However, if he is not part of an organization, then it could or could not be a case of someone doing "home grown" aikido. Be patient, do some research and ultimately, trust your judgement about this guy. I have seen some aweful sensei but I did not know it until I finally trained under a good one. Experience is the only way to tell really.