Possible Clues:

• Charitable offering for devotional songs, written without afterthought
• Member of the family, Rex, involved in fuss
• Fellow-member
• Relative
• One is relatively not all the same in the end
• One in order runs into trouble
• Trouble about royal relative
• Trade unionist runs into trouble
• Eg, monk, friar
• Are, in short, in a nuisance to a relative extent