Prisoner dream meaning is explained below using 6 different sources. Each interpretation is shown with its source.

Interpretation 1 — Klaus Vollmar

See Prison. Strong guilt feelings, to the point of feeling unconscious restriction. But by recognizing this feeling of apprehension and imprisonment in the dream, you can change it. Often this dream image is about recognizing that it is not necessary to punish yourself.
Source: Little Giant Encyclopedia Author: Klaus Vollmar

Interpretation 2 — Martha Clarke

Dreams in which you are a prisoner refer to a limitation of your energy and creativity. They are also related to changes that take place outside, changes you cannot enjoy from your jail. In any case, you must reflect on the causes of this detention. (See JAIL and CAGE) 
Source: The Big Dictionary of Dreams Author: Martha Clarke

Interpretation 3 — Tyler Wolfe

Symbolic of being bound by depression, anxiety, or sinful habits, Ps. 146:7
Source: Christian Dream Symbols Author: Tyler Wolfe

Interpretation 4 — Margaret Hamilton

Any type of mental, spiritual, or physical confinement; see “bound”
Source: Dream Dictionary Unlimited Author: Margaret Hamilton

Interpretation 5 — DreamForth

*See Convict.
Source: Dream Symbols and Analysis Author: DreamForth

Interpretation 6 — Betty Bethards

See Criminal.
Source: The Dream Books Symbols Author: Betty Bethards