WordNet records no synonym and no antonym for lazarus. It is the only member of each of its synsets, which is common for technical, taxonomic and single-sense vocabulary — there is no other English word that means the same thing. The broader and narrower terms below are the useful relations in that case.
Counts are distinct word forms across every sense. A synonym that appears under three senses is counted once here and shown three times below, under each sense it belongs to.
the person who Jesus raised from the dead after four days in the tomb; this miracle caused the enemies of Jesus to begin the plan to put him to death
the diseased beggar in Jesus' parable of the rich man and the beggar
Synonyms, antonyms and the broader and narrower relations for lazarus come from Princeton University’s WordNet. Full sources and licences.