education has become important now,it wasnt then.I dont know about that community but navigators,navigational traders require education to maintain business may be simple math and litracy.As for education is conserned all in hindu society were allowed to get one,provided they got education only if their profetion required.That's why you could see non-brahmin money lenders,tax collectors,panchayat leaders,traders,enterprenars(who traded with forieng countries).Where as teacher is one such profession which was and now is most low paid one,only thing because of hindu culture of respecting the teacher that tradition is still there.Now if the leaving condition of both fishermen(money wise)and brahmin teacher is same then why would anybody choose this profetion.Now for the lawyer,well even muslims gave education to become lawyers(sharia lawyer since islam was the state religion)so what's the big deal they even gave persian education(which few persians and brahmin took up since not many understood it not even the muslims).Hindu court system was panchayat level and cast panchayat(each cast made certain laws for its own members),so their is no question of some one becomming lawyer.Now with doctor,this profession took a leap in european society only resently.The Indian who were dctors required spending many years educating plus practical experience,hence got transfered hieriditary.There was no point in others taking this prophetion leveling their parents prophetion because vedas never