ECHR contains primarily civil/political rights, not the socialrights (for those the European Social Charter has beenmade). Nevertheless it has relevance for labour.
2 provisions especially have a labour law flavour
Art. 4 – prohibition of slavery and forced labour
Art. 11 – freedom of trade union association
Several provisions have collateral interest for labour law
Art. 6 – Fair trial
Art. 8 – Right to privacy and family life
Art. 9 – Religious freedom
Art. 10 Freedom of expression
Protocol 1 – Right to property
Art. 14 + Protocol 12 – Non discrimination