Imam tells Muslim clerics: 'Don't be slaves, join a union' -- Is this all about religious minister's rights?

Sunday 2 February 2014, Herald Scotland:

The first Muslim imam to join a trade union in the UK wants his fellow clerics to follow his lead to stop them being treated "like slaves" by mosques.
Muhammad Sajjad Asim, who sued Edinburgh Central Mosque for breach of contract, said many imams are not paid the minimum wage, are not given holidays, are expected to supplement their pay with benefits, and sometimes given accommodation that is no more than a rolled-up mat in a corner of the mosque. Read more

In another news: 'Nevertheless, the US Supreme court agreed that the Church was within its rights to "fire a religious minister."'... Read more : US Supreme Court backs religious freedom: A good lesson for Canada

Faiths, Unions and Religious Minister's Rights:

• Algeria sanctions imam union to stem Salafist influence
• Why unions matter - and what faith has to do with it
• Debatable: Should Jews Support a Union’s Right to Collective Bargaining? 
• Rabbi’s Campaign for Kosher Standards Expands to Include Call for Social Justice 
• Trades union rights, the Romanian Orthodox Church and Article 11 ECHR
• European court upholds Romanian court’s rejection of dissident priests’ trade union
• Catholic University Claims It Does Not Have To Allow Unions Because Religious Freedom
• Religion and Judicial Outcomes: Unionization of the Workplace  [source]
• Freedom of religion vs association: Romanian archdiocese opposes unionization of its clerics