Al-Shabaab (also spelled al-Shabab) is an Islamist terrorist group aligned with al-Queda. It promotes — and engages in — jihad, so-called ‘holy war’, against non-Muslims and against Muslims who do not support the group’s extremist views.
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Islamic extremists from the rebel al Shabaab militia in Somalia beheaded a Christian on the outskirts of Mogadishu last month, sources said. 
A Somali convert from Islam was paraded before a cheering crowd last month and publicly flogged as a punishment for embracing a “foreign religion,” sources said. A mother of four was killed for her Christian faith on Jan. 7 on the outskirts of Mogadishu, Somalia by Islamic extremists from al Shabaab militia, a relative said. Fighters of Somalia’s feared Islamic militant group al-Shabab have killed another Somali Christian as part of an apparent crackdown on “non-Islamic culture,” rights activists said. 
A Muslim terrorist armed with an ax and a knife tried to enter the home of Kurt Westergaard, whose caricature of the Prophet Muhammad wearing a bomb-shaped turban sparked Muslim outrage — and outrageous behavior — throughout the world when a Danish newspaper published it in 2005. Christians in Somalia faced a tense day Thursday, August 13, amid fresh reports that fighters of the country’s main Islamic insurgent group al-Shabab beheaded four Christian aid workers for refusing to renounce their faith in Christ.