(1) The instruction on I-864W says: "If you have 40 quarters or [of] SSA coverage, you are exempt from the requirement to file Form I-864."

Who are "you" here? The sponsor (petitioner)? or the intending immigrant (the applicant)?

(2) My son (14 month old) was born before I became a US citizen 7 month ago. Can I use I-864W for him?

Thanks in advance!