It does not impact career in a drastic way. The person who embraces secular humanism is not confined to a spiritual religion and therefore there are no restrictions on the individual for whatever...
I feel no fear of death and seldom give it much thought. When I die I will simply cease to exist. A person may suffer before dying, but death itself has no suffering. My advice is to do your best...
Individuals choose their friends; again, since secular humanism is a philosophy, it is based upon what the individual's preferences in retaining and making friends are.