'Act' in the Bible

Therefore, [inheriting] the promise depends entirely on faith [that is, confident trust in the unseen God], in order that it may be given as an act of grace [His unmerited favor and mercy], so that the promise will be [legally] guaranteed to all the descendants [of Abraham]—not only for those [Jewish believers] who keep the Law, but also for those [Gentile believers] who share the faith of Abraham, who is the [spiritual] father of us all—

Nor is the gift [of grace] like that which came through the one who sinned. For on the one hand the judgment [following the sin] resulted from one trespass and brought condemnation, but on the other hand the free gift resulted from many trespasses and brought justification [the release from sin’s penalty for those who believe].

So then as through one trespass [Adam’s sin] there resulted condemnation for all men, even so through one act of righteousness there resulted justification of life to all men.

But he who is uncertain [about eating a particular thing] is condemned if he eats, because he is not acting from faith. Whatever is not from faith is sin [whatever is done with doubt is sinful].

to be a minister of Christ Jesus to the Gentiles. I minister as a priest the gospel of God, in order that my offering of the Gentiles may become acceptable [to Him], sanctified [made holy and set apart for His purpose] by the Holy Spirit.

but [instead I would act on this goal] as it is written [in Scripture],“They who had no news of Him shall see,And they who have not heard [of Him] shall understand.”