First of all you can say "kill" and "suicidal" on the internet, the thought police won't come for you.

Second, J. Bruce Ismay got done pretty dirty by the newspapers of the time as he'd had a falling out with media magnate William Randolph Hearst and was the highest-ranking White Star Line employee to survive. The movie then reinforced this in his portrayal. He actually helped a lot of people during the sinking before getting into a boat himself, which the official inquiries attested to:

"Mr. Ismay, after rendering assistance to many passengers, found 'C' collapsible, the last boat on the starboard side, actually being lowered. No other people were there at the time. There was room for him and he jumped in. Had he not jumped in he would merely have added one more life — namely, his own — to the number of those lost."