; or (B) ongoing care, including responsibility for securing the ongoing care, of— (i) a person with a serious health condition who is in a family relationship with the individual; or (ii) a parent of the individual, who is age 65 or older. (4) Child The term child means a biological, adopted, or foster child, a stepchild, a legal ward, or a child of a person standing in loco parentis to that child, who is— (A) under age 18; or (B) age 18 or older and incapable of self-care because of a mental or physical disability. (5) Commerce terms The terms commerce and industry or activity affecting commerce have the meanings given the terms in section 101 of the Family and Medical Leave Act of 1993 ( 29 U.S.C. 2611 ). (6) Covered employer (A) In general The term covered employer — (i) means any person engaged in commerce or in any industry or activity affecting commerce who employs 15 or more employees (described in paragraph (9)(A)); (ii) includes any person who acts, directly or indirectly, in the interest of such an employer to any of the employees (described in paragraph (9)(A)) of such employer; (iii) includes any successor in interest of such an employer