We should never call a student weaker. Teachers should never discourage any student frustrating his/her interest, ability and dream. Every teacher should try his/her best to find out the ways of success for the students and guide them to achieve it. (a) never (antonym): (b) weaker (antonym): (c) discourage (antonym): (d) frustrating (synonym): (e) interest (synonym): (f) ability (synonym); (g) dream (synonym): (h) best (antonym) (i) success (antonym): (j) achieve (synonym).