Perhaps in the 'old man trampoline story', the old man overcomes his fear of looking silly or getting hurt on the trampoline. In that case, the moral could be about facing our fears and not being afraid of what others think. The old man's experience on the trampoline could symbolize that by facing our insecurities, we can open ourselves up to new experiences and a more fulfilling life.
I'm not sure specifically which 'old man trampoline story' you are referring to. There could be many fictional or real - life stories involving an old man and a trampoline. Maybe it's about an old man who rediscovers his youth while bouncing on a trampoline in his backyard.
Since we don't have much information about this specific 'blackkklansman old man story', it's difficult to say who the old man is. He could be a fictional character created to represent the older generation's experience with the KKK - related events in a story based on 'BlacKkKlansman'.
In 'the old man at the bridge story', the old man is an ordinary person whose life has been upended by war. He seems to be a bit forlorn and lost. He has his own little world back home with his animals, but now that world has been destroyed by the war. He is at the bridge, a sort of liminal space between the past and an uncertain future. He represents the countless individuals who are displaced and left in a state of confusion and despair during times of war.
There's not enough detail to know for sure who the old man is. He could be a variety of things. He might be a war veteran who has some skills or knowledge that comes into play in the story. Or perhaps he's an old family friend of one of the characters, and his presence in the story is to provide a different perspective or a connection to a past event that is related to the events in 'Equalizer 2'.
He is a character who embodies the despair and displacement brought about by war. He's an old man who has been through a lot. Maybe he had a simple life before the war, but now all he has left is the bridge where he sits. He doesn't seem to have any strength or motivation to move forward, and his presence at the bridge is like a statement about the state of so many people during war.
Well, it could be about Pokémon having adventures on a trampoline. Maybe Pikachu jumps on the trampoline and discovers some new power or meets other Pokémon in a unique way while bouncing around.