If the child feels uneasy attending services in another religion, perhaps he can consider the Bible character Naaman, who after becoming a true worshiper continued to carry out his duties by accompanying the king who worshiped at the house of Rimmon.
فنعمان ،‏ بعدما صار عابدا حقيقيا ،‏ استمر في القيام بواجباته ومرافقة الملك الذي كان يقدم العبادة في بيت رمّون .‏