This is the 6344th most frequent German word.
drogenabhängige
"Drug addict."
Here, 'drogenabhängige' is used attributively as an adjective describing the noun 'Mann', conveying his dependency.
Der drogenabhängige Mann suchte nach Hilfe.
The drug-addicted man sought help.
In this sentence, 'drogenabhängigen' is the plural dative form, agreeing with the noun 'Personen' and describing their condition.
Die Gruppe bestand aus mehreren drogenabhängigen Personen.
The group consisted of several drug-addicted individuals.
The word 'drogenabhängige' is used substantivized here as a noun to denote individuals with drug dependency.