There were 59 in all, officials said later. Some 300 fishermen have been rescued from indentured service in recent months.
Mu Sochua had led a number of non-violent demonstrations during the political deadlock that followed 2013 elections.
In a statement Thursday, Adhoc said the two companies had failed to fulfill their promises to job seekers.
Some NGO workers say recently proposed law is designed to stop land rights demonstrations, and may slow economic development
Rights workers say they know of at least 23 more asylum seekers currently in hiding in the remote province.
Gonzalez Davidson said he has been working outside Cambodia now to continue the campaign to save the valley, but he would also like to one day return to Cambodia.
“For now, it would be better if there is no such law,” governance expert Ok Serei Sopheak told “Hello VOA” Monday.
Many in US-Vietnamese community still call April 30 a 'National Hatred Day,' but in Vietnam, thousands are mobilized for victory celebrations
Spanish outspoken environmentalist Alex Gonzalez has expressed his hope that some of those who visit Areng Valley will become activists to protect Cambodia’s remaining natural resources.
In Cambodia, there are few employment options for women, except in two industries: garment manufacturing and sex work.
Two officials from Cambodia’s Interior Ministry departed for Australia and the Pacific Island of Nauru Monday, to ensure that an initial group of asylum seekers there will move to Cambodia, part of a controversial deal with Australia.
Phnom Penh Municipal Court again delayed a hearing for 11 opposition activists, shortly after opening one on Monday.