male
John Hallam was Sub Officer of Blue Watch at Blackwall Fire Station. He made his first appearance in the pilot movie and his last in series nine, when he was killed in the line of duty.
John Hallam (London's Burning)
PTSD
for PTSD in Diagnosing Fictional Characters (Spooky's Version)
Suggested by scousertom03
Diagnosing Fictional Characters but my version.