Chinese Muslims held in internment camps are reportedly barred from using Islamic greetings, learn Mandarin and sing propaganda songs.
Denied entry into Malaysia and unwilling to go home, he lives on airplane food, and showers in the disabled toilet.
Laws are overly broad and make the country a repressive place, international NGO says.
They are countering existing democratic and human rights movements, rights group Suaram says.
UPDATED 2.04PM | Human Rights Watch says the law's use on critics has given M'sia a bad name abroad.
New York-based Human Rights Watch (HRW) says the conviction is an outrageous assault on basic freedom of expression.
Critics of prime minister increasingly becoming targets, says Human Rights Watch's World Report.
UPDATED 12.51PM | The S'porean youth has been detained since landing in Chicago last week.
UPDATED 3.52PM | HRW labels the charging of Steven Gan under Section 233(1)(a) as an act worthy of a 'dictatorial' regime.
Human Rights Watch likens second report on freedom of expression in M'sia to a 'bad movie sequel'.
Human Rights Watch also calls the case against Anwar 'politically motivated'.
The urging comes as the Federal Court will hear a constitutional challenge on street protest ban on Oct 10.