Tax collectors were especially hated because they increased their profit by collecting more taxes than their masters actually demanded.
Adam gave names only to animals and birds, apparently avoiding fish entirely. The names of about fifty fish are mentioned in rabbinic literature, but the Torah merely makes a general distinction between clean fish, which Jews are permitted to eat (vertebrate), and unclean (without bones). Clean fish are generally recognized by the presence of fins and scales.
Not only is “son of man” one of the most important phrases in the Bible, it is one of the most misunderstood and disputed. Rooms could be filled with all the books and articles written on this subject. Translators are not immune to fascination with this phrase, and the meaning of “son of man” is a perennial topic of debate. We are keen to understand it because it is the phrase that Jesus used for himself more than any other. A full understanding of “son of man” reveals what Jesus knew about himself and increases our appreciation of how he communicated his message.