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третье лицо, не заявляющее самостоятельные требования stresses
law	intervener (a person who intervenes in a lawsuit to which he or she was not an original party. SOED Alexander Demidov); intervenor (In law, intervention is a procedure to allow a nonparty, called intervenor (also spelled intervener) to join ongoing litigation, either as a matter of right or at the discretion of the court, without the permission of the original litigants. The basic rationale for intervention is that a judgment in a particular case may affect the rights of nonparties, who ideally should have the right to be heard. wiki Alexander Demidov); non-party intervener (Leonid Dzhepko)

третье лицо, не заявляющее самостоятельных требований: 3 phrases in 2 subjects

General	1
Law	2