informer

As nouns the difference between informer and source

is that informer is one who informs someone else about something while source is the person, place or thing from which something (information, goods, etc) comes or is acquired.

As a verb source is

(chiefly|us) to obtain or procure:.

As a noun informer

is one who informs someone else about something.

As an adjective undefined is

lacking a definition or value.

As nouns the difference between provider and informer

is that provider is one who, or that which, provides a service, commodity, or the means for subsistence while informer is one who informs someone else about something.

As nouns the difference between informer and tattletale

is that informer is one who informs someone else about something while tattletale is one who tattles (reports others' wrongdoings), often by a child seeking attention.

As an adjective tattletale is

telltale, giveaway.

As nouns the difference between narrator and informer

is that narrator is narrator while informer is one who informs someone else about something.

As nouns the difference between informer and messenger

is that informer is one who informs someone else about something while messenger is one who brings messages.

As a verb messenger is

to send something by messenger.

As nouns the difference between rapporteur and informer

is that rapporteur is (legal|politics) a person appointed by a deliberative body to investigate an issue or a situation, and report back to that body while informer is one who informs someone else about something.

As nouns the difference between informer and wife

is that informer is one who informs someone else about something while wife is a married woman, especially in relation to her spouse.

As nouns the difference between communicant and informer

is that communicant is a person who receives (or is allowed to receive) the sacrament of holy communion while informer is one who informs someone else about something.

As an adjective communicant

is communicating.

As nouns the difference between information and informer

is that information is information while informer is one who informs someone else about something.