Possible Clues:

• Offensively nonchalant
• Discourteous old worker squashing females
• Casual employee seen after leaving
• Curt with absent employee
• Casual worker absent earlier
• Readily available ... testing, testing ... rats, try this clue: Casual, as a remark
• Just leaving worker lacking courtesy
• Cancelled by Henry, with or without consideration
• Casual; unconcerned
• Not on, worker being so casual!