Find your local Judo class. Look to make sure there are people there of your own size and weight. You can learn the most by training with people who are a similar size to yourself. But make sure that the coach is a Black (or Red) Belt (the highest rank, depending on your country), especially above 1st degree.
unassertive - inclined to timidity or lack of self-confidence; a shy unassertive person. 1  nonaggressive, unaggressive - not aggressive; not given to fighting or assertiveness. 2  timid - showing fear and lack of confidence.
unâ²dÉr sÄ«ndâ²), adj. 1  being the one or ones whose signature appears at the end of a letter or document:All of the undersigned persons are bound by the contract.  signed at the bottom or end of, as a writing:The undersigned names guarantee the good faith of the statement.