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.
The definition of an oracle is a person with great wisdom or someone believed to have communication with a deity. An example of an oracle is someone who has conversations with God. among the ancient Greeks and Romans, the place where, or medium by which, deities were consulted.