adverb
used to say that something was done or will be done by a particular person and not by someone else
used to say that someone knows a person or thing from personal experience and not because of someone else
in a way that involves a particular person and no one else
in a way that relates to a particular person and is offensive or hurtful
used to say what your opinion is
in a way that involves someone's personal life rather than someone's work or job