For the source text click/tap here: Menachot 93
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Basically, personal sacrifices require one to lean on them and recite either his guilt or his thanksgiving to God. However, there are some people who are exempt from this requirement. Thus, a deaf-mute, a deranged person, and a minor don't have the requirement of leaning, because they are not legally competent.
In truth, since they cannot even consecrate an offering or bring it of their own free will, they are very rarely in a situation where leaning would be discussed.
There are also categories of people who can bring a sacrifice without leaning altogether, and these include a non-Jew, a slave, an agent, and a woman. The agent of a person cannot perform leaning, because it says "your hand" - and not your agent's hand. A woman is not required to lean on her sacrifice because the Torah said, "sons of Israel," to exclude "daughters of Israel" from the requirement of leaning.
We explore the legal ramifications of deafness in antiquity and after…