Having false friends; misfortune and bad luck. 46.
Dream dictionary: Gallows, seeing it dream meanings
…Dreaming of seeing a friend on the gallows of execution, foretells that desperate emergencies must be met with decision, or a great calamity will befall you. Dreaming that you are on a gallows, denotes that you will suffer from the maliciousness of false friends. For a young woman Dreaming that she sees her lover executed by this means, denotes that she will marry an unscrupulous and designing man. If you rescue any one from the gallows, it portends desirable acquisitions. Dreaming that you hang an enemy, denotes victory in all spheres….
…(See Hanged and Gallows.) To dream of seeing a man hanged denotes that some friend or relative will shortly come to good fortune. If you dream that you yourself are going to be hanged, you may safely calculate on good luck for that year: if you are in business you will be successful. Lucky lottery dream numbers – 7, 6, 10….