Question

why were the brambles persuaded to keep harold in dark about his fathers profession.?

Answer 1

mr. brambles was persuaded to keep Harold in dark about his father's profession becuz they thought that if harold would come to know about his father's profession then it would be likely to him to hate his father and would also be tempted to be a boxer and not concentrate in studies well.

Answer 2

because she thinks that he would be getting upset by knowing this truth that his father was a racler at that time racking was not a good profession and Harold would not like it hence they keep Harold in dark about his father profession

hope it helps