Jesus is talking to a group of people about what might happen to them as individuals. All occurrences of "you" and "your" are singular, but your language may require you to translate them as plurals. (See: [[rc://en/ta/man/translate/figs-you]])
It is implied that this is God's altar at the temple in Jerusalem. AT: "to God at the altar in the temple" (See: [[rc://en/ta/man/translate/figs-explicit]])