Both Uses of

condemn
in
Roll of Thunder, Hear My Cry

A moment's silence passed, and then Stacey, his eyes cold and condemning, said quietly, "It was you all right, T.J. It was you."
p. 191.6 *

condemning = expressing strong criticism

The truck door swung open and Kaleb Wallace stepped out, pointing a long condemning finger at Mr. Morrison.
p. 224.7

Definitions:

(1) (condemn as in: She condemned their plan)
express strong criticism
(2) (condemn as in: was condemned to life in prison)
force into an undesired activity or situation -- such as to legally sentence someone to punishment

or:

find guilty -- especially in court (and sometimes to death)

or:

provide the means of finding guilty
(3) (condemn as in: condemned the building)
an official government finding that a building is not suitable to be occupied
(4) (meaning too rare to warrant focus)
meaning too rare to warrant focus:

In law, condemn can also refer to a legal real estate procedure in which the government forces someone to sell property to the government.