Michael Easton, from Holland Park is still missing following a trip on a crocodile infested river in India, which left a friend dead. Authorities are continuing to search the area around the Cauvery River near Bangalore. Ian Turton, from York, died during the excursion.
More top news
The 52-year-old had previous convictions for violence but was not on the anti-terror watchlist.
In a statement Charlton Athletic said: Keith was a true hero who will be greatly missed by all the Charlton family and everyone at the club.
London and the worlds has united on Twitter in defiance of the West minster attack #prayforlondon #wearenotafraid