There is no problem for a wife (teacher) to sponsor her husband but you have the added complication of your husband’s citizenship. Starting on May 1st you can no longer buy a visitor visa on arrival in Doha. That means he will have to have a visa before he leaves Canada and I’m not sure if that will have to come from the Qatar/Canadian or Qatar/Honduran embassy.
Sadly the school has no one with the necessary expertise to help you. When/if I get more information I will let you know. In the meantime you should try to find out which embassy can issue a visitor’s visa.