Related Clues:

• Note chap in reserves returning determined
• The first male worker in firm
• Legendary rock singer of the 1980s
• Very hard man starting things off, a little worker?
• First person supported by a conservation group is determined
• First person overseeing worker is determined
• These days a French lover is very hard
• Very hard computer programming language? Prayer is of no use!
• Firmly unchanging
• Unshakable (in an opinion)
• Inexorable
• "Goody Two Shoes" singer
• Impervious to appeals
• British New Wave singer
• Implacable