Tell a lie, stay away.

There is no difference between prohibitions between a person and his friend and between a place. This is a definition that has no fundamental importance. Perhaps a nefm for the fact that one must please one's friend during the teshuva, and this also probably does not depend on the formal definition of the prohibition. For example, respecting parents, the Manach brings a nefm to the teshuva (whether to appease the parents). I am not at all sure that this is a nefm. Even if it is between a person and a place, one must appease the parents because the commandment is to honor them and reconciliation restores honor to its place. "From speaking falsehood, keep away" is not a halakhic prohibition but a moral instruction, at least in the accepted halakhic interpretation. It does not appear in the books of halakhic law or in the lists of commandments. The prohibition against lying in the accepted approach is stated only in the case of testimony in the Bible.